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Shutterstock How has one of America's biggest cities resisted the medical establishment on fluoridation?
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Look Out Coastal Cities: Greenland Is Melting, Fast
The summer melt in 2012 alone added a millimeter to the global sea level. -
Charts
A Striking Pattern to D.C.'s Metrorail Ridership on Inauguration Day
This is what it looks like when hundreds of thousands of people stand still at the exact same time.
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Urban Planning's Role in Making India Safer for Women
A month after a gruesome gang rape, New Delhi takes aim at the lowest-hanging fruit: Improving public spaces.
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Urban Wonk
Can We Finally Declare Peace in the 'War on Cars'?
Recent polling data suggests the public is much less divided than many headlines would have you believe.
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Beijing Gets Aggressive on Cutting Smog, But It May Not Matter
The municipal government can only do so much without support at the national level.
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An iPhone App Helped Save Algerian Hostages in the Desert
Next time you're in a hostage situation, remember that Apple phone's Compass app just may save your life.
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Urban Wonk
Cities With Too Many Men
India's unbalanced sex ratio has created a slew of social problems and exacerbated violence against women.
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The Fight for Jackson's Last Abortion Clinic
A new bill could rid Mississippi of its clinics. Here is what's at stake.
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'I Pledge to Walk Alone': Activists Demand Safer Cities for Women in India
Pressing for a deeper change in gender attitudes.
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Maps
Gun Violence in U.S. Cities Compared to the Deadliest Nations in the World
New Orleans is like Honduras, Detroit is similar to El Salvador.

